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SubjectRe: ioremap_nocache problem?
** Reply to message from Roman Zippel <> on Tue, 23 Jan
2001 19:12:36 +0100 (MET)

> ioremap creates a new mapping that shouldn't interfere with MTRR, whereas
> you can map a MTRR mapped area into userspace. But I'm not sure if it's
> correct that no flag is set for boot_cpu_data.x86 <= 3...

I was under the impression that the "don't cache" bit that ioremap_nocache sets
overrides any MTRR.

Timur Tabi -
Interactive Silicon -

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